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Posted to dev@qpid.apache.org by "Gordon Sim (JIRA)" <qp...@incubator.apache.org> on 2009/07/15 12:29:14 UTC
[jira] Updated: (QPID-1989) Credit window not automatically handled
for unaquired subscription mode
[ https://issues.apache.org/jira/browse/QPID-1989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gordon Sim updated QPID-1989:
-----------------------------
Environment: (was: SACQUIRE_MODE_NOT_ACQUIRED)
> Credit window not automatically handled for unaquired subscription mode
> -----------------------------------------------------------------------
>
> Key: QPID-1989
> URL: https://issues.apache.org/jira/browse/QPID-1989
> Project: Qpid
> Issue Type: Bug
> Components: C++ Client
> Affects Versions: 0.5
> Reporter: Gordon Sim
> Assignee: Gordon Sim
> Fix For: 0.6
>
>
> If you have a subscription using ACQUIRE_MODE_NOT_ACQUIRED in conjunction with a credit window (e.g. FlowControl::messageWindow(1)), then even with autoAck set there is no automatic completion information sent to the broker which means that the credit window is not moved forward and messages stop getting delievered when the window gets used up.
> This can be worked around easily enough by calling Session::sendCompleted() (in the default COMPLETE_ON_DELIVERY mode the completion is marked, just not sent to the broker).
> However it would be more intuitive and convenient to handle this case by sending completion at a frequency dictated by the autoAck value even if not sending an accept (due to messages not being acquired).
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